Welcome to SamTrans

SamTrans System Map

SamTrans runs all bus services in the Peninsula region, between Daly City and Palo Alto. A few lines travel to San Francisco International Airport and the City of San Francisco, as well as many routes which connect with BART & CalTrain stations throughout the Peninsula. With a 446-square mile service area and over 13 million riders every year, SamTrans plays a critical role in getting people around the Peninsula.